20683586

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 39484800

約数和(自身を除く): 18801214

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2741, 3773, 5482, 7546, 19187, 30151, 38374, 60302, 134309, 211057, 268618, 422114, 940163, 1477399, 1880326, 2954798, 10341793, 20683586]

約数ペア:

[(1, 20683586), (2, 10341793), (7, 2954798), (11, 1880326), (14, 1477399), (22, 940163), (49, 422114), (77, 268618), (98, 211057), (154, 134309), (343, 60302), (539, 38374), (686, 30151), (1078, 19187), (2741, 7546), (3773, 5482)]